| Opelika to Oststeinbek | 4,650.68 mi (7,484.55 km) |
| Opelika to Ottendorf-Okrilla | 4,861.63 mi (7,824.03 km) |
| Opelika to Ottersberg | 4,625.21 mi (7,443.56 km) |
| Opelika to Ottobrunn | 4,876.63 mi (7,848.17 km) |
| Opelika to Ottweiler | 4,652.92 mi (7,488.15 km) |
| Opelika to Overath | 4,613.74 mi (7,425.09 km) |
| Opelika to Oyten | 4,621.31 mi (7,437.27 km) |
| Opelika to Paderborn | 4,649.35 mi (7,482.40 km) |
| Opelika to Papenburg | 4,559.58 mi (7,337.94 km) |
| Opelika to Parchim | 4,716.39 mi (7,590.30 km) |
| Opelika to Pasewalk | 4,793.44 mi (7,714.29 km) |
| Opelika to Passau | 4,932.94 mi (7,938.80 km) |
| Opelika to Pattensen | 4,672.65 mi (7,519.90 km) |
| Opelika to Pegnitz | 4,818.12 mi (7,754.02 km) |
| Opelika to Peine | 4,688.94 mi (7,546.13 km) |
